package com.gec.system.controller;

import org.junit.Test;

public class test {
    public static void main(String[] args) {
        Long uid = Math.round(Math.random()*1000000000);
        System.out.println(uid);
    }

    @Test
    public void fun1(){
//        LocalDateTime time = LocalDateTime.now();
        long time = System.currentTimeMillis();
        Long uuid = Math.round(Math.random()*1000000);
        String id = String.valueOf(time).concat(String.valueOf(uuid));
        System.out.println(id);
    }
}
